13500372 has 24 divisors (see below), whose sum is σ = 32096736. Its totient is φ = 4415008.

The previous prime is 13500353. The next prime is 13500373. The reversal of 13500372 is 27300531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13500373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9978 + ... + 11249.

It is an arithmetic number, because the mean of its divisors is an integer number (1337364).

Almost surely, 2^13500372 is an apocalyptic number.

13500372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13500372 is an abundant number, since it is smaller than the sum of its proper divisors (18596364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13500372 is a wasteful number, since it uses less digits than its factorization.

13500372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21287 (or 21285 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 13500372 is about 3674.2852366141. The cubic root of 13500372 is about 238.1123448610.

The spelling of 13500372 in words is "thirteen million, five hundred thousand, three hundred seventy-two".